Isotemp Slim Square Water Heater

Isotemp 16L Slim Square Water Heater

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The Isotemp 16L Slim Square Water Heater is a slim line water heater which has been designed for easy installation in narrow and confined spaces. The Isotemp Slim Square has a 16L capacity and will quickly and effectively heat water up via the engine or by an electrical heater element (230V/750W). The water is heated above 70°C for both hygiene and safety purposes.

The Water Heater is able to be installed in a variety of positions, making it far more versatile than standard models currently available. As with all Isotemp Water Heaters, the Isotemp Slim Square has been constructed with robust acid proof stainless steel (316) and is fitted with special components to prevent it from overheating.

The Water Heater features a 5.5 bar (80psi) safety valve with a built-in two-way check valve, which helps reduce or prevent water spills from expansion. There is also a winter drain function. The thermostat mixing valve can be mounted as an option.

Note: This product is designed to be used with an engine to assist in heating the water


  • Volume: 16L
  • Dimensions (mm):  400H x 180W x 560D
  • Weight: 15.5kg


  • Extra long, corrugated coils for high heat exchange efficiency
  • Special 5.0 bar / 70 psi safety valve
  • Simple winter drain
  • Ultra-thick insulation for lowest temperature loss
  • Electrical plug and play immersion heating element, especially designed to heat also the water at the bottom of the tank
  • Thermostat mixing valve
  • Robust design
  • Water tank in stainless steel
  • Stable fixing feet in stainless steel
  • 360 ° adjustable mounting for easy
  • installation also on bulkhead

2 Year Warranty

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